0000916457-01-500021 11-K 1 20001231 20010629 CALPINE CORP 0000916457 4911 770212977 DE 1231 11-K 34 001-12079 1672927 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 11-K 1 o62901.txt FISCAL YEAR ENDED 12/31/00